Home Common Problem What should I do if my computer screen shows power saving mode and then goes black?

What should I do if my computer screen shows power saving mode and then goes black?

Aug 31, 2019 pm 02:23 PM
computer screen Power saving mode black screen

Solutions to the problem that the computer screen shows power saving mode and then goes black: 1. Check whether the computer is set to automatically turn off the display; 2. If it is not set, it may be a host hardware problem, such as a burst motherboard or graphics card capacitor, or CPU overheating And other issues.

What should I do if my computer screen shows power saving mode and then goes black?

Cause:

It is estimated that the graphics card or the connection is faulty, and the monitor does not receive the signal.

Nowadays, home appliances are designed with power-saving mode functions, and the same goes for monitors. When the display cannot receive the video signal from the host, it will automatically enter power-saving mode.

Through these analysis, it can be concluded that your host does not send a video signal to the monitor when it is turned on. It is possible that your host does not start normally.

The host does not necessarily start up when the lights turn on and the fan rotates. If there is a hardware failure, it will not pass the self-test. At this time, the graphics card does not work, and the monitor cannot receive the video signal from the graphics card, which is naturally a power-saving mode.

Related recommendations: "FAQ"

Solution:

Check if your computer is set to automatically shut down If the display function does not work, it may be a host hardware problem, such as a black screen caused by burst capacitors on the motherboard or graphics card, or a motherboard shutdown due to self-protection due to CPU overheating.

What should I do if my computer screen shows power saving mode and then goes black?

Extended information:

A black screen is a relatively common phenomenon, especially in some older computers or assembled computers. .

There are many causes of computer black screen, such as damaged monitor, damaged motherboard, damaged graphics card, poor contact of graphics card, damaged power supply, damaged CPU, excessive temperature of components, etc. There are also cases where the computer black screen is artificially caused, such as Microsoft China's genuine verification.

According to an internal Microsoft email on October 15, 2008, Microsoft will launch a genuine verification plan for Windows XP Professional and Office for the Chinese market on the 20th. By then, computers with pirated versions of Windows XP Professional installed will be forcibly Once every hour, the "black screen" (the desktop background turns to pure black) will be added to the Office menu bar with a "not genuine" mark. Users of pirated software will encounter warnings such as a "black screen" and a "reminder mark" on their computers.

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